Q1. What comes next in the sequence: 10, 20, 30, ___?
(a) 35
(b) 40
(c) 50
(d) 60
Ans: (b) 40
This is counting by 10s. Add 10 to the last number, 30: 30 + 10 = 40.
Q2. What is the number name for 100?
(a) Ten
(b) One hundred
(c) One thousand
(d) Ninety
Ans: (b) One hundred
The number 100 is written as "one hundred" in words.
Q3. What is the total number of pencils if you have 1 bundle of 100 and 3 loose pencils?
(a) 103
(b) 130
(c) 100
(d) 33
Ans: (a) 103
1 bundle of 100 is 100 pencils. Add 3 loose pencils: 100 + 3 = 103.
Q4. What is the total number of candies if you have 2 bundles of 100, 4 bundles of 10, and 6 loose candies?
(a) 246
(b) 260
(c) 240
(d) 206
Ans: (a) 246
Calculate each part:
- 2 bundles of 100 = 2 × 100 = 200
- 4 bundles of 10 = 4 × 10 = 40
- 6 loose candies = 6
- Add them: 200 + 40 + 6 = 246.
Q5. If you count by 10s backward from 80, what is the third number?
(a) 70
(b) 60
(c) 50
(d) 40
Ans: (b) 60
Counting by 10s backward means subtracting 10 each time:
- Start at 80
- First number: 80 - 10 = 70
- Second number: 70 - 10 = 60
Q6. What is the successor of 999?
(a) 998
(b) 999
(c) 1,000
(d) 1,001
Ans: (c) 1,000
The successor is the number that comes just after. Add 1 to 999: 999 + 1 = 1,000.
Q7. What is the word form of 2,300?
(a) Two hundred thirty
(b) Two thousand three hundred
(c) Three thousand two hundred
(d) Two thousand three
Ans: (b) Two thousand three hundred
For 2,300, 2 is in the thousands place (two thousand) and 3 is in the hundreds place (three hundred), so it’s "two thousand three hundred."
Q8. What is the place value of 5 in 5,678?
(a) 5
(b) 50
(c) 500
(d) 5,000
Ans: (d) 5,000
In 5,678,
5 is in the thousands place. The place value is 5 × 1,000 = 5,000.
Q9. Which is greater: 456 or 2,345?
(a) 456
(b) 2,345
(c) Both are equal
(d) Cannot compare
Ans: (b) 2,345
A number with more digits is greater. 456 is a 3-digit number, and 2,345 is a 4-digit number, so 2,345 > 456.
Q10. What is 15 in Roman numerals?
(a) XV
(b) XI
(c) VX
(d) IX
Ans: (a) XV
In Roman numerals, X = 10 and V = 5. So, 10 + 5 = 15, written as XV.
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